A magnitude ML 0.6 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8100, 13.1150 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 3 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Arquata del Tronto | AP | 16 | 1178 | 11908 |
Cerreto di Spoleto | PG | 16 | 1075 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Sellano | PG | 18 | 1079 | 14729 |
Montegallo | AP | 18 | 523 | 15252 |
Poggiodomo | PG | 18 | 117 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2021-08-14 05:26:29 |
42.8103 | 13.115 | 10 | 2021-08-14 05:32:25 |
Sala Sismica INGV-Roma | 94117431 |
Field | Value |
---|---|
Time (UTC) | 2021-08-14 05:26:29 ± 0.09 |
Latitude | 42.8103 ± 0.0045 |
Longitude | 13.1150 ± 0.0074 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94117431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 663 |
Semi-minor axis of confidence ellipse (meter) | 333 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 52 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 660.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32016 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94117431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-14 05:32:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2021-08-14T05:26:41.96 | 0.3 | undecidable | manual | S | 341 | 35.5422 | 50 | 0.03 | 73 |
IV.CSP1.EHZ. | 2021-08-14T05:26:40.92 | 0.3 | undecidable | manual | S | 13 | 32.0457 | 50 | -0.08 | 73 |
IV.CESI.HNE. | 2021-08-14T05:26:39.83 | 0.6 | undecidable | manual | S | 322 | 27.5502 | 50 | 0.04 | 49 |
IV.SMA1.EHZ. | 2021-08-14T05:26:39.53 | 0.3 | undecidable | manual | S | 138 | 26.8509 | 50 | -0.08 | 74 |
IV.MTRA.EHZ. | 2021-08-14T05:26:38.60 | 0.3 | undecidable | manual | S | 104 | 23.6541 | 113 | -0.03 | 75 |
IV.FDMO.HHZ. | 2021-08-14T05:26:38.56 | 0.6 | undecidable | manual | S | 355 | 25.1526 | 111 | -0.55 | 44 |
IV.MMO1.EHZ. | 2021-08-14T05:26:37.22 | 0.3 | undecidable | manual | S | 60 | 19.869 | 117 | -0.2 | 73 |
IV.CSP1.EHZ. | 2021-08-14T05:26:36.48 | 0.6 | undecidable | manual | P | 13 | 32.0457 | 50 | 0.25 | 47 |
IV.MML1.EHZ. | 2021-08-14T05:26:36.99 | 0.6 | undecidable | manual | P | 341 | 35.5422 | 50 | 0.22 | 47 |
IV.SMA1.EHZ. | 2021-08-14T05:26:35.50 | 0.6 | negative | manual | P | 138 | 26.8509 | 50 | 0.07 | 49 |
IV.MC2.EHZ. | 2021-08-14T05:26:35.74 | 0.3 | undecidable | manual | S | 28 | 12.6762 | 128 | 0.42 | 70 |
IV.CESI.HNE. | 2021-08-14T05:26:35.40 | 0.1 | undecidable | manual | P | 322 | 27.5502 | 50 | -0.13 | 97 |
IV.MTRA.EHZ. | 2021-08-14T05:26:34.79 | 0.3 | undecidable | manual | P | 104 | 23.6541 | 113 | -0.08 | 74 |
IV.MMO1.EHZ. | 2021-08-14T05:26:34.13 | 0.6 | negative | manual | P | 60 | 19.869 | 117 | -0.04 | 50 |
IV.FDMO.HHZ. | 2021-08-14T05:26:34.96 | 0.6 | undecidable | manual | P | 355 | 25.1526 | 111 | -0.18 | 48 |
IV.NRCA.HNZ. | 2021-08-14T05:26:33.04 | 0.3 | undecidable | manual | S | 359 | 2.5974 | 165 | -0.23 | 74 |
IV.MC2.EHZ. | 2021-08-14T05:26:33.26 | 0.3 | undecidable | manual | P | 28 | 12.6762 | 128 | 0.31 | 72 |
IV.NRCA.HNZ. | 2021-08-14T05:26:31.96 | 0.1 | undecidable | manual | P | 359 | 2.5974 | 165 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.4 | 0.000012518279000000001 | 0.1184 | AML | other | m | 2021-08-14T05:26:40.68 |
IV.SMA1.EHN. | ML:0.4 | 0.000014534013 | 0.2592 | AML | other | m | 2021-08-14T05:26:41.27 |
IV.CSP1.EHE. | ML:0.5 | 0.00001705106 | 0.4 | AML | other | m | 2021-08-14T05:26:47.90 |
IV.CSP1.EHN. | ML:0.6 | 0.000020058964999999996 | 0.9216 | AML | other | m | 2021-08-14T05:26:53.05 |
IV.MML1.HNE. | ML:1.4 | 0.00010246685499999999 | 0.752 | AML | other | m | 2021-08-14T05:26:50.60 |
IV.MML1.HNN. | ML:1.4 | 0.000095959215 | 0.7008 | AML | other | m | 2021-08-14T05:26:41.68 |
IV.MML1.EHE. | ML:0.1 | 0.0000072475635 | 0.3392 | AML | other | m | 2021-08-14T05:26:42.06 |
IV.MML1.EHN. | ML:0.4 | 0.000008953875 | 0.0992 | AML | other | m | 2021-08-14T05:26:42.33 |